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Commit 429a8520 authored by Hansong Zhang's avatar Hansong Zhang Committed by android-build-merger
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L2CAP Classic: Unreserve channel on connection response fail am: d91d1b19 am: b8fd4217 

am: 6fe24dce

Change-Id: Ia7bb95fb7b42ab0dfcf4418445a00793c1d62d50
parents 412de1a8 6fe24dce

system/gd/l2cap/classic/internal/link.cc

+5 −0
Original line number Diff line number Diff line
@@ -79,6 +79,11 @@ void Link::SendConnectionRequest(Psm psm, Cid local_cid, 
  signalling_manager_.SendConnectionRequest(psm, local_cid);

}



void Link::OnOutgoingConnectionRequestFail(Cid local_cid) {

  local_cid_to_pending_dynamic_channel_connection_map_.erase(local_cid);

  dynamic_channel_allocator_.FreeChannel(local_cid);

}



void Link::SendDisconnectionRequest(Cid local_cid, Cid remote_cid) {

  signalling_manager_.SendDisconnectionRequest(local_cid, remote_cid);

}

system/gd/l2cap/classic/internal/link.h

+3 −0
Original line number Diff line number Diff line
@@ -79,6 +79,9 @@ class Link : public l2cap::internal::ILink { 
  virtual void SendConnectionRequest(Psm psm, Cid local_cid,

                                     PendingDynamicChannelConnection pending_dynamic_channel_connection);



  // Invoked by signalling manager to indicate an outgoing connection request failed and link shall free resources

  virtual void OnOutgoingConnectionRequestFail(Cid local_cid);



  virtual void SendInformationRequest(InformationRequestInfoType type);



  virtual void SendDisconnectionRequest(Cid local_cid, Cid remote_cid) override;

system/gd/l2cap/classic/internal/signalling_manager.cc

+6 −0
Original line number Diff line number Diff line
@@ -217,6 +217,7 @@ void ClassicSignallingManager::OnConnectionResponse(SignalId signal_id, Cid remo 
  }

  alarm_.Cancel();

  if (result != ConnectionResponseResult::SUCCESS) {

    link_->OnOutgoingConnectionRequestFail(cid);

    handle_send_next_command();

    return;

  }
@@ -224,6 +225,7 @@ void ClassicSignallingManager::OnConnectionResponse(SignalId signal_id, Cid remo 
  auto new_channel = link_->AllocateReservedDynamicChannel(cid, pending_psm, remote_cid, {});

  if (new_channel == nullptr) {

    LOG_WARN("Can't allocate dynamic channel");

    link_->OnOutgoingConnectionRequestFail(cid);

    handle_send_next_command();

    return;

  }
@@ -665,6 +667,10 @@ void ClassicSignallingManager::on_command_timeout() { 
  auto last_sent_command = std::move(pending_commands_.front());

  pending_commands_.pop();

  switch (last_sent_command.command_code_) {

    case CommandCode::CONNECTION_REQUEST: {

      link_->OnOutgoingConnectionRequestFail(last_sent_command.source_cid_);

      break;

    }

    case CommandCode::CONFIGURATION_REQUEST: {

      SendDisconnectionRequest(last_sent_command.source_cid_, last_sent_command.destination_cid_);

      break;

system/gd/l2cap/internal/dynamic_channel_allocator.cc

+1 −1
Original line number Diff line number Diff line
@@ -87,6 +87,7 @@ Cid DynamicChannelAllocator::ReserveChannel() { 
}



void DynamicChannelAllocator::FreeChannel(Cid cid) {

  used_cid_.erase(cid);

  auto channel = FindChannelByCid(cid);

  if (channel == nullptr) {

    LOG_INFO("Channel is not in use: psm %d, device %s", cid, link_->GetDevice().ToString().c_str());
@@ -94,7 +95,6 @@ void DynamicChannelAllocator::FreeChannel(Cid cid) { 
  }

  used_remote_cid_.erase(channel->GetRemoteCid());

  channels_.erase(cid);

  used_cid_.erase(cid);

}



bool DynamicChannelAllocator::IsPsmUsed(Psm psm) const {

system/gd/l2cap/le/internal/link.cc

+5 −0
Original line number Diff line number Diff line
@@ -87,6 +87,11 @@ void Link::SendDisconnectionRequest(Cid local_cid, Cid remote_cid) { 
  signalling_manager_.SendDisconnectRequest(local_cid, remote_cid);

}



void Link::OnOutgoingConnectionRequestFail(Cid local_cid) {

  local_cid_to_pending_dynamic_channel_connection_map_.erase(local_cid);

  dynamic_channel_allocator_.FreeChannel(local_cid);

}



std::shared_ptr<l2cap::internal::DynamicChannelImpl> Link::AllocateDynamicChannel(Psm psm, Cid remote_cid,

                                                                                  SecurityPolicy security_policy) {

  auto channel = dynamic_channel_allocator_.AllocateChannel(psm, remote_cid, security_policy);